00790924_000001(WORLD SECTION) AUSTRALIA-MELBOURNE-TENNIS-AUSTRALIAN OPEN01/29/2017Xinhua/SIPA(170129) -- MELBOURNE, Jan. 29, 2017 (Xinhua) -- Serena Williams of the United States poses with the trophy in the locker room after winning the women's singles final match against her sister Venus Williams at the Australian Open tennis championships in Melbourne, Australia, Jan. 28, 2017. Serena Williams won 2-0. (Xinhua/Tennis Australia)
****Authorized by ytfs****
//CHINENOUVELLE_1443.1046/Credit:Xinhua/SIPA/1701291628

00790924_000002(WORLD SECTION) AUSTRALIA-MELBOURNE-TENNIS-AUSTRALIAN OPEN01/29/2017Xinhua/SIPA(170129) -- MELBOURNE, Jan. 29, 2017 (Xinhua) -- Serena Williams of the United States poses with the trophy in the locker room after winning the women's singles final match against her sister Venus Williams at the Australian Open tennis championships in Melbourne, Australia, Jan. 28, 2017. Serena Williams won 2-0. (Xinhua/Tennis Australia)
****Authorized by ytfs****
//CHINENOUVELLE_1443.1047/Credit:Xinhua/SIPA/1701291628

00790924_000003(WORLD SECTION) AUSTRALIA-MELBOURNE-TENNIS-AUSTRALIAN OPEN01/29/2017Xinhua/SIPA(170129) -- MELBOURNE, Jan. 29, 2017 (Xinhua) -- Serena Williams of the United States poses with the trophy in the locker room after winning the women's singles final match against her sister Venus Williams at the Australian Open tennis championships in Melbourne, Australia, Jan. 28, 2017. Serena Williams won 2-0. (Xinhua/Tennis Australia)
****Authorized by ytfs****
//CHINENOUVELLE_1443.1048/Credit:Xinhua/SIPA/1701291628

00790924_000007(WORLD SECTION) AUSTRALIA-MELBOURNE-TENNIS-AUSTRALIAN OPEN01/28/2017Xinhua/SIPA(170129) -- MELBOURNE, Jan. 29, 2017 (Xinhua) -- Serena Williams of the United States poses with the trophy in the locker room after winning the women's singles final match against her sister Venus Williams at the Australian Open tennis championships in Melbourne, Australia, Jan. 28, 2017. Serena Williams won 2-0. (Xinhua/Tennis Australia)
****Authorized by ytfs****
//CHINENOUVELLE_1443.1090/Credit:Xinhua/SIPA/1701291633

00790924_000008(WORLD SECTION) AUSTRALIA-MELBOURNE-TENNIS-AUSTRALIAN OPEN01/28/2017Xinhua/SIPA(170129) -- MELBOURNE, Jan. 29, 2017 (Xinhua) -- Serena Williams of the United States poses with the trophy in the locker room after winning the women's singles final match against her sister Venus Williams at the Australian Open tennis championships in Melbourne, Australia, Jan. 28, 2017. Serena Williams won 2-0. (Xinhua/Tennis Australia)
****Authorized by ytfs****
//CHINENOUVELLE_1443.1091/Credit:Xinhua/SIPA/1701291633

REX40481472_000075Tennis - Australian Open 2017 Day Thirteen Melbourne Park, Melbourne, Australia - 28 Jan 201701/28/2017BPI/Shutterstock/SIPAEditorial use only. No merchandising. For Football images FA and Premier League restrictions apply inc. no internet/mobile usage without FAPL license - for details contact Football Dataco
Mandatory Credit: Photo by BPI/REX/Shutterstock (8136690cb)
USA's Serena Williams Beats her Sister Venus Williams and poses with the winners Trophy in the Ladies Singles Final at the Australian Open Tennis Championships Melbourne Park
Tennis - Australian Open 2017 Day Thirteen Melbourne Park,...

REX40481472_000082Tennis - Australian Open 2017 Day Thirteen Melbourne Park, Melbourne, Australia - 28 Jan 201701/28/2017BPI/Shutterstock/SIPAEditorial use only. No merchandising. For Football images FA and Premier League restrictions apply inc. no internet/mobile usage without FAPL license - for details contact Football Dataco
Mandatory Credit: Photo by BPI/REX/Shutterstock (8136690by)
USA's Serena Williams Beats her Sister Venus Williams and poses with the winners Trophy in the Ladies Singles Final at the Australian Open Tennis Championships Melbourne Park
Tennis - Australian Open 2017 Day Thirteen Melbourne Park,...

REX40481482_000031Tennis - Australian Open 2017 Day Thirteen Melbourne Park, Melbourne, Australia - 28 Jan 201701/28/2017Mike Frey/BPI/Shutterst/SIPAEditorial use only. No merchandising. For Football images FA and Premier League restrictions apply inc. no internet/mobile usage without FAPL license - for details contact Football Dataco
Mandatory Credit: Photo by Mike Frey/BPI/REX/Shutterstock (8136726ac)
Serena Williams of the USA with her trophy during Day Thirteen of the Australian Open Tennis Championships held in Melbourne Park, Australia on 28th January 2017
Tennis - Australian Open 2017 Day Thirteen Melbourne Park, Melbourne,...

AP22006535_000213Australian Open Tennis01/28/2017Aaron Favila/AP/SIPAUnited States' Serena Williams celebrates after defeating her sister, Venus, in the women's singles final at the Australian Open tennis championships in Melbourne, Australia, Saturday, Jan. 28, 2017. (AP Photo/Aaron Favila)/XMEL163/17028402752569/1701281216

AP22006535_000212Australian Open Tennis01/28/2017Aaron Favila/AP/SIPAUnited States' Serena Williams celebrates after defeating her sister Venus during their women's singles final at the Australian Open tennis championships in Melbourne, Australia, Saturday, Jan. 28, 2017. (AP Photo/Aaron Favila)/MEL245/17028401191315/1701281213

AP22006611_000003Australian Open Tennis / S. Williams Wins01/28/2017Masahiro Sugimoto/AP/SIPASerena Williams and Venus Williams talk at the awarding ceremony after their final at the Australian Open tennis tournament in Melbourne, Australia on Jan.28, 2017.S.Williams won by 6-4, 6-4.( The Yomiuri Shimbun via AP Images )/YOMIU/92765320729/JAPAN OUT/1701281225

AP22006647_000002APTOPIX Australian Open Tennis01/29/2017Aaron Favila/AP/SIPAUnited States' Serena Williams poses with her trophy after defeating her sister Venus to win the women's singles final at the Australian Open tennis championships in Melbourne, Australia, Sunday, Jan. 29, 2017. (AP Photo/Aaron Favila)/MEL106/17028498061339/1701281456

AP22006535_000281Australian Open Tennis01/29/2017Dita Alangkara/AP/SIPAUnited States' Serena Williams poses with her trophy after defeating her sister Venus to win the women's singles final at the Australian Open tennis championships in Melbourne, Australia, Sunday, Jan. 29, 2017. (AP Photo/Dita Alangkara)/MEL112/17028495048702/1701281449

REX40481482_000085Tennis - Australian Open 2017 Day Thirteen Melbourne Park, Melbourne, Australia - 28 Jan 201701/28/2017Mike Frey/BPI/Shutterst/SIPAEditorial use only. No merchandising. For Football images FA and Premier League restrictions apply inc. no internet/mobile usage without FAPL license - for details contact Football Dataco
Mandatory Credit: Photo by Mike Frey/BPI/REX/Shutterstock (8136726cg)
Serena Williams of the USA laughing during, sister Venus' trophy presentation speech during Day Thirteen of the Australian Open Tennis Championships held in Melbourne Park, Australia on 28th January 2017
Tennis - Australian Open 2017 Day...

REX40481482_000079Tennis - Australian Open 2017 Day Thirteen Melbourne Park, Melbourne, Australia - 28 Jan 201701/28/2017Mike Frey/BPI/Shutterst/SIPAEditorial use only. No merchandising. For Football images FA and Premier League restrictions apply inc. no internet/mobile usage without FAPL license - for details contact Football Dataco
Mandatory Credit: Photo by Mike Frey/BPI/REX/Shutterstock (8136726aw)
Serena Williams of the USA with her trophy during Day Thirteen of the Australian Open Tennis Championships held in Melbourne Park, Australia on 28th January 2017
Tennis - Australian Open 2017 Day Thirteen Melbourne Park, Melbourne,...

REX40481482_000068Tennis - Australian Open 2017 Day Thirteen Melbourne Park, Melbourne, Australia - 28 Jan 201701/28/2017Mike Frey/BPI/Shutterst/SIPAEditorial use only. No merchandising. For Football images FA and Premier League restrictions apply inc. no internet/mobile usage without FAPL license - for details contact Football Dataco
Mandatory Credit: Photo by Mike Frey/BPI/REX/Shutterstock (8136726ax)
Serena Williams of the USA with her trophy during Day Thirteen of the Australian Open Tennis Championships held in Melbourne Park, Australia on 28th January 2017
Tennis - Australian Open 2017 Day Thirteen Melbourne Park, Melbourne,...

REX40481482_000065Tennis - Australian Open 2017 Day Thirteen Melbourne Park, Melbourne, Australia - 28 Jan 201701/28/2017Mike Frey/BPI/Shutterst/SIPAEditorial use only. No merchandising. For Football images FA and Premier League restrictions apply inc. no internet/mobile usage without FAPL license - for details contact Football Dataco
Mandatory Credit: Photo by Mike Frey/BPI/REX/Shutterstock (8136726ao)
Serena Williams of the USA with her trophy during Day Thirteen of the Australian Open Tennis Championships held in Melbourne Park, Australia on 28th January 2017
Tennis - Australian Open 2017 Day Thirteen Melbourne Park, Melbourne,...

REX40481482_000052Tennis - Australian Open 2017 Day Thirteen Melbourne Park, Melbourne, Australia - 28 Jan 201701/28/2017Mike Frey/BPI/Shutterst/SIPAEditorial use only. No merchandising. For Football images FA and Premier League restrictions apply inc. no internet/mobile usage without FAPL license - for details contact Football Dataco
Mandatory Credit: Photo by Mike Frey/BPI/REX/Shutterstock (8136726au)
Venus Williams of the USA and Serena Williams of the USA during the trophy presentation during Day Thirteen of the Australian Open Tennis Championships held in Melbourne Park, Australia on 28th January 2017
Tennis - Australian Open 2017...

REX40481482_000053Tennis - Australian Open 2017 Day Thirteen Melbourne Park, Melbourne, Australia - 28 Jan 201701/28/2017Mike Frey/BPI/Shutterst/SIPAEditorial use only. No merchandising. For Football images FA and Premier League restrictions apply inc. no internet/mobile usage without FAPL license - for details contact Football Dataco
Mandatory Credit: Photo by Mike Frey/BPI/REX/Shutterstock (8136726ay)
Serena Williams of the USA with her trophy during Day Thirteen of the Australian Open Tennis Championships held in Melbourne Park, Australia on 28th January 2017
Tennis - Australian Open 2017 Day Thirteen Melbourne Park, Melbourne,...

REX40481482_000048Tennis - Australian Open 2017 Day Thirteen Melbourne Park, Melbourne, Australia - 28 Jan 201701/28/2017Mike Frey/BPI/Shutterst/SIPAEditorial use only. No merchandising. For Football images FA and Premier League restrictions apply inc. no internet/mobile usage without FAPL license - for details contact Football Dataco
Mandatory Credit: Photo by Mike Frey/BPI/REX/Shutterstock (8136726bb)
Serena Williams of the USA with her trophy during Day Thirteen of the Australian Open Tennis Championships held in Melbourne Park, Australia on 28th January 2017
Tennis - Australian Open 2017 Day Thirteen Melbourne Park, Melbourne,...

REX40481490_000051Tennis - Australian Open 2017 Day Thirteen Melbourne Park, Melbourne, Australia - 28 Jan 201701/28/2017Ella Ling/BPI/Shutterst/SIPAEditorial use only. No merchandising. For Football images FA and Premier League restrictions apply inc. no internet/mobile usage without FAPL license - for details contact Football Dataco
Mandatory Credit: Photo by Ella Ling/BPI/REX/Shutterstock (8136743ax)
Venus and Serena Williams of USA hug during the Final at the Australian Open Tennis Championships, Melbourne Park on Saturday, January 28th, 2017
Tennis - Australian Open 2017 Day Thirteen Melbourne Park, Melbourne, Australia - 28 Jan...

REX40481490_000052Tennis - Australian Open 2017 Day Thirteen Melbourne Park, Melbourne, Australia - 28 Jan 201701/28/2017Ella Ling/BPI/Shutterst/SIPAEditorial use only. No merchandising. For Football images FA and Premier League restrictions apply inc. no internet/mobile usage without FAPL license - for details contact Football Dataco
Mandatory Credit: Photo by Ella Ling/BPI/REX/Shutterstock (8136743ay)
Venus and Serena Williams of USA hug during the Final at the Australian Open Tennis Championships, Melbourne Park on Saturday, January 28th, 2017
Tennis - Australian Open 2017 Day Thirteen Melbourne Park, Melbourne, Australia - 28 Jan...

AP22006642_000001APTOPIX Australian Open Tennis01/28/2017Aaron Favila/AP/SIPAUnited States' Serena Williams celebrates after defeating her sister Venus in the women's singles final at the Australian Open tennis championships in Melbourne, Australia, Saturday, Jan. 28, 2017. (AP Photo/Aaron Favila)/MEL290/17028481260278/1701281425

AP22006535_000270Australian Open Tennis01/28/2017Kin Cheung/AP/SIPAUnited States' Serena Williams answers questions at a press conference after defeating her sister Venus to win the women's singles final at the Australian Open tennis championships in Melbourne, Australia, Saturday, Jan. 28, 2017. (AP Photo/Kin Cheung)/MEL272/17028472546146/1701281411

REX40481490_000049Tennis - Australian Open 2017 Day Thirteen Melbourne Park, Melbourne, Australia - 28 Jan 201701/28/2017Ella Ling/BPI/Shutterst/SIPAEditorial use only. No merchandising. For Football images FA and Premier League restrictions apply inc. no internet/mobile usage without FAPL license - for details contact Football Dataco
Mandatory Credit: Photo by Ella Ling/BPI/REX/Shutterstock (8136743aw)
Serena Williams holds up the Champions Trophy following the Final at the Australian Open Tennis Championships, Melbourne Park on Saturday, January 28th, 2017
Tennis - Australian Open 2017 Day Thirteen Melbourne Park, Melbourne, Australia -...

REX40481490_000039Tennis - Australian Open 2017 Day Thirteen Melbourne Park, Melbourne, Australia - 28 Jan 201701/28/2017Ella Ling/BPI/Shutterst/SIPAEditorial use only. No merchandising. For Football images FA and Premier League restrictions apply inc. no internet/mobile usage without FAPL license - for details contact Football Dataco
Mandatory Credit: Photo by Ella Ling/BPI/REX/Shutterstock (8136743au)
Serena Williams of USA receives the Champions Trophy from Hana Mandlikova following the Final at the Australian Open Tennis Championships, Melbourne Park on Saturday, January 28th, 2017
Tennis - Australian Open 2017 Day Thirteen Melbourne...

REX40481490_000046Tennis - Australian Open 2017 Day Thirteen Melbourne Park, Melbourne, Australia - 28 Jan 201701/28/2017Ella Ling/BPI/Shutterst/SIPAEditorial use only. No merchandising. For Football images FA and Premier League restrictions apply inc. no internet/mobile usage without FAPL license - for details contact Football Dataco
Mandatory Credit: Photo by Ella Ling/BPI/REX/Shutterstock (8136743y)
Serena Williams of USA parades around Rod Laver Arena with her Champions Trophy following the Final at the Australian Open Tennis Championships, Melbourne Park on Saturday, January 28th, 2017
Tennis - Australian Open 2017 Day Thirteen...

AP22006628_000002APTOPIX Australian Open Tennis01/28/2017Aaron Favila/AP/SIPAUnited States' Serena Williams holds her trophy after defeating her sister Venus during their women's singles final at the Australian Open tennis championships in Melbourne, Australia, Saturday, Jan. 28, 2017. (AP Photo/Aaron Favila)/MEL240/17028396522813/1701281343

AP22006628_000001APTOPIX Australian Open Tennis01/28/2017Dita Alangkara/AP/SIPAUnited States' Serena Williams holds her trophy after defeating her sister Venus during the women's singles final at the Australian Open tennis championships in Melbourne, Australia, Saturday, Jan. 28, 2017. (AP Photo/Dita Alangkara)/MEL221/17028379102280/1701281343

AP22006535_000264Australian Open Tennis01/28/2017Kin Cheung/AP/SIPAUnited States' Serena Williams, right, and her sister Venus, left, embrace after Serena won the women's singles final at the Australian Open tennis championships in Melbourne, Australia, Saturday, Jan. 28, 2017. (AP Photo/Kin Cheung)/MEL196/17028363719472/1701281337

AP22006535_000263Australian Open Tennis01/28/2017Dita Alangkara/AP/SIPAUnited States' Serena Williams, left, is embraced by her sister Venus, right, after winning their women's singles final at the Australian Open tennis championships in Melbourne, Australia, Saturday, Jan. 28, 2017. (AP Photo/Dita Alangkara)/MEL194/17028362929700/1701281334